US3277854A - Device for securing a needle to a sewing machine and guiding the thread towards the needle eye - Google Patents

Device for securing a needle to a sewing machine and guiding the thread towards the needle eye Download PDF

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Publication number
US3277854A
US3277854A US338687A US33868764A US3277854A US 3277854 A US3277854 A US 3277854A US 338687 A US338687 A US 338687A US 33868764 A US33868764 A US 33868764A US 3277854 A US3277854 A US 3277854A
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United States
Prior art keywords
needle
thread
groove
guiding
collar
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Expired - Lifetime
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US338687A
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English (en)
Inventor
Casas-Robert Ramon
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Mefina SA
Original Assignee
Mefina SA
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Publication date
Application filed by Mefina SA filed Critical Mefina SA
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Publication of US3277854A publication Critical patent/US3277854A/en
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    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B55/00—Needle holders; Needle bars
    • D05B55/02—Devices for fastening needles to needle bars

Definitions

  • the present invention relates to a device for securing a sewing machine needle to the needle bar and guiding the thread towards the eye of the needle.
  • a device for securing a sewing machine needle to the needle bar and guiding the thread towards the eye of the needle.
  • Such a device comprises broadly a collar fixed at the end of the needle bar, the collar being provided with a tapped bore for receiving a screw for securing the needle, the needle being engaged in a groove provided longitudinally in the central part of the needle bar.
  • a pressure plate is interposed between the end of the screw and the needle, and the collar has a notch and a guide member for guiding the thread into said notch.
  • the object of the present invention is to remedy the aforesaid disadvantages. It is characterized by the fact that the thread receiving opening in the collar comprises a groove cut obliquely in the collar, the axis of the groove passing substantially through a plane passing through the axis of the needle bar.
  • the lower end of the groove nearest the axis of the needle bar opens into the bore provided in the collar to receive the end of the needle bar.
  • the guide member for the thread is secured in the groove and has at least one wing portion adapted to facilitate the engagement of the thread in the groove and behind the base or innermost end of the wing.
  • the lower edge of the guide member is situated inwardly of the lower edge of the needle bar, in such a manner as to direct the thread as close as possible to the axis of the needle and toward a longitudinal groove the lower end of which terminates at the eye of the needle.
  • FIGURE 1 is an enlarged front elevation of the device for securing the needle and guiding the thread.
  • FIGURE 2 is a side elevation partly in section of the device of FIGURE 1.
  • FIGURE 3 is a bottom plan view of the guide plate shown in FIGURE 1.
  • FIGURE 4 is an enlarged section taken on the line IV--IV of FIGURE 1.
  • FIGURES 6 and 7 are front and side elevations respectively of a second embodiment of the invention.
  • the device for securing the needle and guiding the thread towards the point thereof includes a collar 1 fixed at the lower end of the needle bar 2.
  • the needle bar 2 is tubular and the collar 1 has a bore 3 permitting it to be engaged on the bar 2.
  • the securing of the collar 1 at the end of the bar 2 is eifected by means of a screw 4 threaded in a tapped hole 5 provided in the collar 1.
  • the point 6 of the screw engages in a hole 7 on the side of the tubular needle bar 2.
  • a plug 8 having a groove 9 adapted to receive the heel or inner end 10 of the needle 11 is disposed inside the needle bar 2.
  • the shape of the groove 9 (see FIGURE 4) is such that it only permits engagement of the needle 11 in a single predetermined position so that the flat part 12 on the inner end 10 of the needle comes into engagement against the face 13 of the groove 9.
  • the plug 8 is maintained in position in the needle bar 2 by means of a pin 14 engaged transversely in the needle bar 2 and plug 8.
  • the pin 14 simultaneously provides an abutment for the inner end 19 of the needle.
  • Plug 8 includes a transverse counter-sunk area 15 across the longitudinal groove 9.
  • the counter-sunk area 15 is adapted to serve as a housing for a pressure plate 16 adapted to be tightened against the inner end 10 of the needle 11 by means of a tightening screw 17.
  • the tightening screw 17 is threaded in a tapped bore 18 extending through the collar 1 and a lateral extension 19 thereof.
  • the guiding device for the thread includes a groove 23 cut obliquely in the collar 1, the axis of the groove passing through the plane of the axis of the needle bar 2.
  • the lower end of the groove 23, nearest the axis of the needle bar 2 opens into the bore 3 provided in the collar 1 to receive the end of the needle bar 2 (see FIG- URE 2).
  • the guide member further includes a plate 25 secured fixed in said groove 23 by riveting of the two opposed edges 26 of the groove 23 against the plate.
  • the plate 25 has two wings 27 giving it the general form of an inverted T (see FIGURE 1).
  • the collar 1 has a horizontal hollow area 28 adapted to receive said wings 27 with a slight degree of clearance.
  • the plate 25 has thread receiving notches 29 on its two lateral sides, which notches are disposed symmetrically relative to the base of the wings 27.
  • the lower edge 30 of the plate 25 is provided with a bulge or offset portion 31.
  • the edge 30 of the plate 25 is situated inwardly of the adjacent lower edge of the needle bar 2 and it may even be at a distance closer to the axis of the needle bar 2 and further from the bottom edge thereof (see FIGURE 2).
  • the purpose of so locating the edge 30 of the plate 25 is to draw the thread 24 as close as possible to the axis of the needle, and towards the elongated groove 32 of each needle 11 and the eye 33 thereof which is located at the lower end of the groove.
  • the second embodiment of the device for securing the needle and guiding the thread towards it shown in FIG URES 6 and 7, comprises the same principal elements which comprise the first embodiment in accordance with FIGURES 1 to 5. Similar members, in the two embodiments carry the same reference numerals.
  • the essential difference between the two embodiments is the replacement, in the second embodiment, of the plate 25 by a guide member for the thread 24 which guide member comprises a metallic wire 25a curved symmetrically on both sides of its central portion, so as to form two wings 27a extending outwardly therefrom.
  • the upper end of guide member 25a is fixed in a hole 23a 3 pierced through the collar 1 in the extension of the upper part of the groove 23.
  • a stamping 36 retains the member a in place in the hole 23a.
  • the guide member 25a has the general form of an inverted T.
  • the piece of metallic wire forming the lower portion 37 of the wings 27a has a centrally located offset or bulge 38.
  • the collar 1 has a horizontal hollow area 28 adapted to receive said wings 27a.
  • This bulge 38 which is situated substantially in the plane of the adjacent side wall of the needle bar 2 (see FIGURE 7), is adapted to draw the thread 24 as near as possible to the axis of the needle and towards the elongated groove 32 of each needle 11 and the eye 33 thereof, which is located at the lower end of the groove.
  • FIGURES 1 to 7 permit the securing of not only a single needle to the needle bar 2, but the securing of a double needle such as is shown in FIGURES 1, 2, 6 and 7. It is usually when sewing by means of a double needle as shown in the last mentioned figures that difficulties are encountered with known securing and guiding devices.
  • the passage of the two threads 24 and 24a used in this case has been illustrated in FIGURES l, 2, 6 and 7. It can be seen, in the embodiment in accordance with FIGURES l and 2, that each thread 24, 24a respectively is engaged in the groove 23 between the upper edge thereof and the slotted parts 29 of the plate 25, said thread passing beneath the plate.
  • each thread 24, 24a respectively is engaged in the groove 23 between the edge thereof and the corresponding base of the wing 27a.
  • the engagement of the thread is effected by the transverse displacement thereof between each wing 27a and the collar 1, due to the clearance or space provided between the hollow area 28 and the wings 27a.
  • the corresponding wing 27, or 27a will flex sufficiently to permit the passage of the thread therebetween.
  • the offset portions 31, 38 of the guide members 25, 25a over which thread 24 is drawn direct the thread inwardly over the lower edge of said offset portions and toward the needle 11 so as to reduce the angle K (FIGS. 2 and 7) between the thread and needle to a minimum.
  • This disposition of the threads is particularly advantageous for sewing with a double needle, inasmuch as it prevents the formation of knots between the two threads 24 and 24a at the time of stitching, since each thread passes through a separate and distinct guide passage in the collar 1.
  • the thread 24 is also drawn a short distance from the heel of the needle 11 by the edge 30 (FIGURE 1).
  • the bulge or offset 31 of edge 30 tends to displace the thread towards the center of the plate 25.
  • the bulge or offset 38 (FIGURE 6), tends to displace the thread towards the center of the member 25a. In both instances the thread is brought substantially into the plane of the elongated groove 32 in needle 11.
  • a device for securing a needle to a sewing machine and guiding the thread toward the eye of the needle comprising:
  • a needle bar having a longitudinal central opening for receiving the needle, said needle having a longitudinal guide groove, the lower end of which adjoins the eye of the needle,
  • a guide member for guiding the thread towards the eye of the needle, said guide member secured in said obliquely extending groove and including at least one guide wing spaced from the obliquely extending groove for guiding thread into said last mentioned groove and toward the guide groove in the needle.
  • a device including a needle engaging pressure plate within the needle bar and between the tightening screw and the needle.
  • a device wherein the guide member is in the form of a plate and a bulge is located on the lower edge of the plate for guiding the thread to the central part thereof and toward the axis of the needle.
  • a device wherein the plate is in the form of an inverted T, including two symmetrically disposed wings, and a horizontal hollow area is provided in said collar to freely receive said wings.
  • a device wherein a symmetrical notch is provided on both sides of the plate adjacent the edges of the obliquely extending groove in the collar, said notches providing two thread guiding passages for use with a double needle.
  • a device wherein the needle bar is tubular and has secured therein a plug in which said longitudinal central opening is located, said plug also having a transverse countersunk depression crossing the longitudinal central opening and housing said needle engaging pressure plate.
  • a device including a lateral extension on said collar, said extension providing a hearing surface for oscillating sewing accessories controlled by the needle bar, said tapped hole being provided in said lateral extension.
  • the guide member is in the form of a metal wire bent to provide a vertically disposed body and pair of wings extending laterally therefrom, said obliquely disposed groove having an opening in the upper portion thereof, the upper part of the body of the guide member being secured in said opening.
  • wire guide member in the form of an inverted T, and includes a bulge on the lower central part thereof, and a horizontal hollow area is provided in the collar to freely receive said wings.
  • a device for securing a needle to a sewing machine and for guiding the thread towards the eye of the needle comprising:
  • a guide member having two wings and in the form of an inverted T, centrally secured in the t5 obliquely extending groove with a lower edge thereof proximate the axis of the guide groove of the needle, said wings being freely received in the horizontal hollow area in the collar.
  • the guide member is in the form of a plate, a bulge in the lower edge of the plate for guiding thread to the central part thereof, said plate having symmetrical notches in both sides adjacent the edges of the obliquely disposed groove in the collar, and two thread guiding passages formed by said notches for use with a double needle.
  • the guide member is in the form of a metal wire, a bulge in the lower horizontal portion of the guide member for guiding thread toward the axis of the needle, said obliquely disposed groove having an opening in the upper portion thereof to receive the upper end of the vertical portion of said guide member.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
US338687A 1963-01-26 1964-01-20 Device for securing a needle to a sewing machine and guiding the thread towards the needle eye Expired - Lifetime US3277854A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH96663A CH383743A (fr) 1963-01-26 1963-01-26 Dispositif de fixation d'aiguille et de guidage du fil vers celle-ci, pour machine à coudre
CH1448263A CH389376A (fr) 1963-01-26 1963-11-26 Dispositif de fixation d'aiguille et de guidage du fil vers celle-ci, pour machine à coudre

Publications (1)

Publication Number Publication Date
US3277854A true US3277854A (en) 1966-10-11

Family

ID=25686241

Family Applications (1)

Application Number Title Priority Date Filing Date
US338687A Expired - Lifetime US3277854A (en) 1963-01-26 1964-01-20 Device for securing a needle to a sewing machine and guiding the thread towards the needle eye

Country Status (10)

Country Link
US (1) US3277854A (en))
AT (1) AT243060B (en))
BE (1) BE641874A (en))
CH (2) CH383743A (en))
DE (1) DE1485223B2 (en))
DK (1) DK108084C (en))
ES (1) ES294944A1 (en))
FR (1) FR1377941A (en))
GB (1) GB981271A (en))
NL (3) NL150177B (en))

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4242975A (en) * 1980-01-22 1981-01-06 The Singer Company Needle support means
US4329934A (en) * 1979-03-10 1982-05-18 Janome Sewing Machine Co., Ltd. Needle holding device for sewing machines
CN101041927B (zh) * 2006-03-22 2011-11-16 格罗兹-贝克特两合公司 用于缝纫机的持针器
US20190145035A1 (en) * 2016-07-27 2019-05-16 Brother Kogyo Kabushiki Kaisha Needle mounting device and sewing machine
US10676848B1 (en) * 2017-08-29 2020-06-09 Suzuki Manufacturing, Ltd. Sewing machine needle clamping device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3442233A (en) * 1965-01-07 1969-05-06 Lewis Card & Co Inc Yarn guide for a tufting needle
EP1840255B1 (de) * 2006-03-22 2009-03-11 Groz-Beckert KG Nadelhalter für eine Nähmaschine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1276950A (en) * 1916-10-02 1918-08-27 Union Special Machine Co Needle-clamp for sewing-machines.
US2691951A (en) * 1952-09-26 1954-10-19 Gellman Mfg Co Thread guide for sewing machines
US2692569A (en) * 1949-09-14 1954-10-26 Stanley J Ketterer Needle stabilizer
US2919667A (en) * 1956-04-09 1960-01-05 Singer Mfg Co Thread guides for sewing machines
US3016031A (en) * 1958-08-27 1962-01-09 Singer Mfg Co Needle clamps for sewing machines

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1276950A (en) * 1916-10-02 1918-08-27 Union Special Machine Co Needle-clamp for sewing-machines.
US2692569A (en) * 1949-09-14 1954-10-26 Stanley J Ketterer Needle stabilizer
US2691951A (en) * 1952-09-26 1954-10-19 Gellman Mfg Co Thread guide for sewing machines
US2919667A (en) * 1956-04-09 1960-01-05 Singer Mfg Co Thread guides for sewing machines
US3016031A (en) * 1958-08-27 1962-01-09 Singer Mfg Co Needle clamps for sewing machines

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4329934A (en) * 1979-03-10 1982-05-18 Janome Sewing Machine Co., Ltd. Needle holding device for sewing machines
US4242975A (en) * 1980-01-22 1981-01-06 The Singer Company Needle support means
CN101041927B (zh) * 2006-03-22 2011-11-16 格罗兹-贝克特两合公司 用于缝纫机的持针器
US20190145035A1 (en) * 2016-07-27 2019-05-16 Brother Kogyo Kabushiki Kaisha Needle mounting device and sewing machine
US10934648B2 (en) * 2016-07-27 2021-03-02 Brother Kogyo Kabushiki Kaisha Needle mounting device and sewing machine
US10676848B1 (en) * 2017-08-29 2020-06-09 Suzuki Manufacturing, Ltd. Sewing machine needle clamping device

Also Published As

Publication number Publication date
BE641874A (en)) 1964-04-16
AT243060B (de) 1965-10-25
NL150177B (nl) 1976-07-15
NL303056A (en)) 1900-01-01
GB981271A (en) 1965-01-20
DE1485223A1 (de) 1969-06-04
CH383743A (fr) 1964-10-31
NL7606894A (nl) 1977-01-31
DK108084C (da) 1967-08-21
ES294944A1 (es) 1964-03-01
CH389376A (fr) 1965-03-15
FR1377941A (fr) 1964-11-06
DE1485223B2 (de) 1974-05-22
DE1485223C3 (en)) 1975-01-16

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